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What is the need for modulation?
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Answer Posted / jatinderpal singh
need of modulation....
1.sme time signal is too small due to reseiver nt get that
signal...
so by the process of modulation we uses carrier waves
which modulate the signal so that it will not effected by
environment condition,,,it reduces
1,cost of antenna ,,instead of using large anteena we can
use here small anteenas
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